Add FactoryGirl syntax helpers to RSpec for convenience

Include all files in support in the rails_helper for now.
We may want to specifically add files based on a naming convention or just explicitly add config files in the future.
Add a basic Record specification

Initial examples include basic type checks and user/temporary user validations.
Alias Record#is_taggable as Record#taggable for convenience

Alias the methods and then use it in the specification for readability and convenience